‘Spate' is a noun.
Meaning: a large number of things, which are usually unpleasant, that happens suddenly within a short period of time.
1. The bombing was the latest in a spate of terrorist attacks.
2. The Australian government's claim that the spate of attacks on Indians is not racial can hardly be taken seriously.
3. The spate of protests by public shows that the government is inefficient in performance.
4. During summers, the spate of forest fires is common in USA.